491207 has 8 divisors (see below), whose sum is σ = 524160. Its totient is φ = 459000.

The previous prime is 491201. The next prime is 491213. The reversal of 491207 is 702194.

It is an interprime number because it is at equal distance from previous prime (491201) and next prime (491213).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 491207 - 2⁸ = 490951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1832 + ... + 2082.

It is an arithmetic number, because the mean of its divisors is an integer number (65520).

2⁴⁹¹²⁰⁷ is an apocalyptic number.

491207 is a deficient number, since it is larger than the sum of its proper divisors (32953).

491207 is a wasteful number, since it uses less digits than its factorization.

491207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 491207 is about 700.8616125884. The cubic root of 491207 is about 78.9020309903.

The spelling of 491207 in words is "four hundred ninety-one thousand, two hundred seven".